Talent.com
S.i. Systems
Mainframe Application Developer to design, develop, and maintain enterprise-grade mainframeS.i. Systems • Toronto
Mainframe Application Developer to design, develop, and maintain enterprise-grade mainframe

Mainframe Application Developer to design, develop, and maintain enterprise-grade mainframe

S.i. Systems • Toronto
30+ days ago
Job type
  • Full-time
  • Temporary
Job description

Our financial services client is seeking a Mainframe Application Developer to design, develop, and maintain enterprise-grade mainframe applications using COBOL, CICS, PL/1, JCL, DB2, and VSAM

Start Date: 1 Aug

Duration: 3 months - Short Term Contract with Strong possibility of conversion into full-time positions

Location: Downtown Toronto - Hybrid - 2 days in office (Tuesday and Thursday **subject to change**)

Join a team within retail investments focused on delivering secure, scalable, and reliable mainframe solutions supporting business-critical operations. This short-term contract offers immediate engagement and strong potential for full-time conversion within months. The role provides visibility across enterprise architecture and technology strategy while contributing to modernization and continuous improvement initiatives.

Must Haves

  • 3–5 years of mainframe development including COBOL, CICS, PL/1, JCL, DB2, and VSAM
  • Proficiency in z/OS environments applying enterprise architecture and security standards
  • Hands-on work with EASYTRIEVE and FOCUS scripting on mainframe systems
  • Knowledge of Jira, Confluence, and ServiceNow for development coordination
  • Post-secondary education in Computer Science or related field

Nice to Have

  • Exposure to AI technologies and mainframe modernization initiatives
  • Experience with CSF Designer

Responsibilities

  • Designs, develops, tests, and implements mainframe applications aligned with business and technology requirements.
  • Translates business needs into detailed technical specifications and high-quality code.
  • Ensures solutions meet enterprise standards for security, performance, and operational excellence.
  • Analyzes system impacts across upstream and downstream dependencies.
  • Supports production stability through root cause analysis and timely issue resolution.
  • Evaluates and recommends improvements to technology, processes, and system efficiency.
  • Builds scalable, maintainable, and reusable solutions aligned with enterprise objectives.
  • Collaborates with business and technology stakeholders to deliver aligned outcomes.
  • Reviews code and provides guidance to support team effectiveness and quality.
  • Contributes to development standards, frameworks, and continuous improvement initiatives.
  • Supports delivery of project outcomes and operational priorities.
  • Mentors team members and contributes to knowledge sharing and capability development.


Create a job alert for this search

Mainframe Application Developer to design, develop, and maintain enterprise-grade mainframe applications using COBOL, CICS, PL/1, JCL, DB2, and VSAM - JP909 • Toronto

Similar jobs

Mainframe Application Developer (COBOL/CICS/DB2)

BeachHead Inc.Toronto, Ontario, Canada
Full-time

Are you a skilled Mainframe Application Developer ready to drive innovative solutions? Apply Now! Working with one of our top financial clients, this role calls for a Mainframe Application Develope... Show more

 • Promoted

Senior Mainframe Z/Os System Programmer - $150,000 - $200,000 A Year - Remote

Software International (SI)Toronto, Canada
Remote
Full-time

Mainframe System Programmer sought to ensure stable, reliable environments for complex sharing initiatives, collaborating with management and providing technical expertise. Show more

 • Promoted

Mainframe Assembler Developer

Quantum World Technologies Inc.Toronto, Ontario, Canada
Full-time

Job Title: Mainframe Assembler Developer.Candidate must have worked in Assembler code in recent past (no more than 4-6 months).Ability to analyze, interpret and troubleshoot Assembler codes - The A... Show more

 • Promoted

Mainframe Developer

Pacer GroupToronto, ON, CA
Full-time

Work Arrangement: Hybrid, 4- days in office.Pay Rate: CAD $55-57/hour Incorporated.Tech stack – IBM Mainframe - Deep IMS knowledge, DB2, JCL, COBOL, SQL, DB2, End ever, File-AID, CA-7.Tools: INSYNC... Show more

 • Promoted

Mainframe Software Developer - Toronto

Source CodeToronto, ON, CA
Temporary

Become a Mainframe Software Developer in Toronto, contributing to Ontario's court systems.This role requires proficiency in COBOL and IMS DB/DC for mission-critical applications.With a 12-month con... Show more

 • Promoted

Cards Mainframe Developer (contract)

CapgeminiToronto, ON, CA
Full-time

We are seeking an experienced Mainframe Developer with 6–8 years of hands-on expertise in mainframe technologies and solid knowledge of card issuing domain processes.The ideal candidate will be pro... Show more

 • Promoted

Mainframe Developer Back End 9300-3015 - C$85,000 A Year

FoilconToronto, Canada
Full-time

Develop and maintain mainframe applications using PL/I, COBOL, and related technologies, focusing on backend systems and database interactions. Show more

 • Promoted

Senior Mainframe Developer Enhancing Banking Transaction Platforms

Axiom Global TechnologiesToronto, ON, CA
Full-time

Step into a Senior Mainframe Developer role, enhancing core banking systems.Engage in software design, development, and production support for various transaction delivery channels.This role demand... Show more

 • Promoted

Mainframe Developer

Tekgence IncToronto, Ontario, Canada
Full-time

Must-have Mainframe expert with 10 years hand‑on experience.OS, MVSTSOISPF, JCL, IMS DBDC, CICS, DB2, VSAM, COBOL, ZEKE, File‑AID or File‑Manager, IDZ, GitHub Jenkins UCD).Scheduling Mainframe batc... Show more

 • Promoted

Mainframe Developer

Epsilon Solutions Ltd.Toronto
Full-time

The ideal candidate will have strong expertise in mainframe technologies, job scheduling tools, and source control systems, with a proven ability to work in Agile environments.This role requires ha... Show more

 • Promoted

Lead Mainframe Programmer - Endevor Skills

Tech Talent InternationalToronto
Full-time +2

Shape the future of mainframe operations as a Senior System Programmer.Apply your Endevor expertise in a remote setting while managing critical system initiatives and compliance.This opportunity pr... Show more

 • Promoted

Senior Mainframe System Programmer - Mq - $175,000 - $225,000 A Year - Remote

SiToronto, Canada
Remote
Full-time

Mainframe System Programmer responsible for MQ, providing technical direction, ensuring stable environments, collaborating with management, and leading problem resolution. Show more

 • Promoted

Mainframe Programmer

LanceSoft, Inc.Toronto, Ontario, Canada
Full-time

Overview Responsible for designing and maintaining the operating environment that powers the Firm’s z-platform computing infrastructure.This role ensures high availability, performance, and scalabi... Show more

 • Promoted

Senior Mainframe Backend Developer (IMS/DB2)

Rubicon PathToronto, ON, CA
Full-time

A leading technology solutions provider in Ontario is seeking a Senior Software Developer with expertise in mainframe technologies.The role requires extensive programming experience, specifically w... Show more

 • Promoted

Mainframe Architect

Avanciers Inc.Toronto, ON, CA
Full-time

Avanciers is a premier IT Staffing/Consulting organization recruiting for a long-term contract role for one of our premier clients in Canada, for a.Designing and implementing application developmen... Show more

 • Promoted

Mainframe Developer

Maarut IncToronto, ON, CA
Full-time

The role requires a candidate with mainframe experience, including:.Mainframe code, host environment and infrastructure, COBOL, MQ, JCL, VSAM, TSO, ISPF, IMS DC/DB, DB2, z/OS connect, Endevor, IDz,... Show more

 • Promoted

Mainframe Developer

ScotiabankToronto
Full-time

Join a purpose‑driven, winning team committed to results in an inclusive, high‑performing culture.Contribute to the overall success of the Pricing and Rates applications within the Deposits Domain ... Show more

 • Promoted

Sr. Mainframe Developer/Lead - $71,100 - $112,000 A Year

CognizantToronto, Canada
Full-time

Develops and builds high-performing, scalable, enterprise applications, managing IT service management processes and coordinating with cross-functional teams. Show more

 • Promoted

Mainframe Application Developer

BeachHead Inc.Toronto, Canada
Full-time

Are you a skilled Mainframe Application Developer ready to drive innovative solutions? Apply Now! Working with one of our top financial clients, this role calls for a Mainframe Application Develope... Show more

 • Promoted

Mainframe Developer - C$143,000 - C$166,000 A Year

Epsilon Solutions LtdToronto, Canada
Full-time

Develops and maintains mainframe applications using COBOL, JCL, IMS DB, DB2, VSAM, and CICS, working in an Agile environment. Show more